Fig. 3

A Forest plot illustrating the vitamin D concentrations in patients with DFUs or non-DFUs. B Funnel plot illustrating the vitamin D concentrations in patients with DFUs or non-DFUs.
A Forest plot illustrating the vitamin D concentrations in patients with DFUs or non-DFUs. B Funnel plot illustrating the vitamin D concentrations in patients with DFUs or non-DFUs.